To transmit information and meanings from one person to another. Also, to openly share the self to create a sense of oneness with another, whether in friendship or romantic relationships.
Talking! Always talking, you can never loose with that! If it be business, romance, friendships, talking between two people is always going to be most effective.
Effective interpersonal communication is understanding where the other person is coming from and understanding how each one's personal opinions affect their own perceptions and decisions.
In ideal circumstances, people can get to the same point and know each other. Face to face meeting is a good way since you can adjust your behaviour according to others' reaction.
There are several main areas. First, you need to make good eye contact and maintain good non-verbal cues during the conversation. All communication should be properly articulated and use clear, professional language.